Calculated gas fees differ if signer is Wallet or SignerWithAddress

[aaonduollar]

I'm having an issue where if I instantiate a Wallet object and add it the hardhat provider, gas fees are not getting calculated property whenever I make a transaction. But if I use one of the SignerWithAddress from hre.ethers.getSigners() it works correctly. I have tried both with Alchemy and Moralis.

In this snippet I only show sendTransaction getting used, but the same behaviour is being seen in contract function calls.

This is my configuration and task:

// transfer.ts

import { task } from 'hardhat/config';
import config from '../../config';

task('action-transfer', 'Transfer coins from owner to other')
  .addParam('to', 'Account address to transfer to')
  .addParam('value', 'Value to transfer')
  .setAction(async ({ to, value }: { to: string; value: number }, hre) => {
    const owner1 = (await hre.ethers.getSigners())[0];
    const owner2 = new hre.ethers.Wallet(
      config.crypto.ownerPrivateKey,
      hre.ethers.provider
    );

    const tx1 = await owner1.sendTransaction({ to, value });
    const tx2 = await owner2.sendTransaction({ to, value });

    console.log(tx1);
    console.log(tx2);
  });

$ npx hardhat action-transfer --to 0x7caee40B0F4F5872a3cB5e03d9AeAe2e3210bfbe --value 1 --network mumbai
                                                                                                                              
tx1 {
  hash: '0x36f2746a1c4f59eba9d2438821d69e5d62e687e505e6db26b235b642697ab2c2',
  type: 2,
  accessList: [],
  blockHash: null,
  blockNumber: null,
  transactionIndex: null,
  confirmations: 0,
  from: '0xAf036C8Dac12FCfAD6dEeBb12640d19BA9EF6B26',
  gasPrice: BigNumber { value: "94837263915" },
  maxPriorityFeePerGas: BigNumber { value: "94837263903" },
  maxFeePerGas: BigNumber { value: "94837263915" },
  gasLimit: BigNumber { value: "21000" },
  to: '0x7caee40B0F4F5872a3cB5e03d9AeAe2e3210bfbe',
  value: BigNumber { value: "1" },
  nonce: 166,
  data: '0x',
  r: '0xa0b4580497a53661b47da0a7ed268b84f6e6d472339e7ea098948d12c0de1892',
  s: '0x3cc84c030b7b657e1e0e2cdc47c11e8be551f7bffa445a794a4e1ef8c4633013',
  v: 1,
  creates: null,
  chainId: 80001,
  wait: [Function (anonymous)]
}
tx2 {
  type: 2,
  chainId: 80001,
  nonce: 167,
  maxPriorityFeePerGas: BigNumber { value: "1500000000" },
  maxFeePerGas: BigNumber { value: "1500000020" },
  gasPrice: null,
  gasLimit: BigNumber { value: "21000" },
  to: '0x7caee40B0F4F5872a3cB5e03d9AeAe2e3210bfbe',
  value: BigNumber { value: "1" },
  data: '0x',
  accessList: [],
  hash: '0x04bf854a65a21b6e781c2e22404fb5bac59c64dfa725fe5adcd670dab2db9a5a',
  v: 0,
  r: '0xb703adc9023e5aaf2568a0695f018c329a50bd44cbe256625d876899f4770a81',
  s: '0x2d7bbaf1b537cc5ccf6b6d36fceaf80b4cc922425e843b8d94ab9aa5e6736194',
  from: '0xAf036C8Dac12FCfAD6dEeBb12640d19BA9EF6B26',
  confirmations: 0,
  wait: [Function (anonymous)]
}

// hardhat.config.ts

import cfg from './src/config';

import { HardhatUserConfig } from 'hardhat/config';
import '@nomiclabs/hardhat-etherscan';
import '@nomiclabs/hardhat-waffle';
import '@typechain/hardhat';
import 'hardhat-gas-reporter';
import 'solidity-coverage';

import './src/tasks/actions/transfer';

// Configuration
const config: HardhatUserConfig = {
  solidity: '0.8.4',
  networks: {
    mumbai: {
      url: cfg.crypto.host,
      accounts: [crypto.ownerPrivateKey],
    },
    polygon: {
      url: cfg.crypto.host,
      accounts: [cfg.crypto.ownerPrivateKey],
    },
  },
  paths: {
    sources: './src/contracts',
    tests: './src/tests/contracts',
    cache: './cache',
    artifacts: './artifacts',
  },
  mocha: {
    timeout: 40000,
  },
};

export default config;

./src/config is just a config object used for using different environments.

Thanks.

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This issue is also being tracked on Linear.

We use Linear to manage our development process, but we keep the conversations on Github.

LINEAR-ID: 307a5bad-5cd0-4174-ac6e-243dbdd23ae6

[aaonduollar]

I think it might have something to do with ethers-io/ethers.js#2828 although it's not clear to me why they provide different gas data.

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This issue was closed because it has been stalled for 7 days with no activity.